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Data Sheet

Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R

Sep. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited

1

General Description

The AM4963/AM4963R is a full wave driver IC with

direct PWM control function and thermal resistor

control function. It is used for single phase motor and

is capable of speed control by PWM pulse and

thermal resistor at the same time.

The AM4963/AM4963R is available in HTSSOP-14

and SSOP-16 packages.

Features

•

The Motor Speed is Controlled by PWM Pulse

Directly and Thermal Resistor at the Same Time

• Low Corner Temperature (30°C) Adjustable

• High Corner Temperature (38°C) Adjustable

• Full Speed when Thermal Resistor Shorten

• Built-in Triangle Wave Circuit without Extra

Oscillation Capacitor

• Built-in Minimal Speed Setup Circuit

• Alpha Slope Adjustable

• Rotation Speed Indicator (FG)

• Rotation/lock State Indicator (RD)

• Built-in Temperature Control Circuit

• Built-in Thermal Shutdown Circuit

• Lock Protection and Auto-restart

Applications

• CPU Cooler Fan in PC

• Brushless DC Motor Driver

Figure 1. Package Types of AM4963/AM4963R

HTSSOP-14 SSOP-16

1 2 3 4 5 6 ... 15 16

Podsumowanie treści

Strona 1

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 2 - Pin Configuration

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 3 - Pin Number

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 4 - Truth Table

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 5

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 6

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 7 - Electrical Characteristics

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 8 - HTSSOP-14

IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the

Strona 9

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 10 - High Speed

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 13 - Low Corner Temperature (

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Strona 14 - BASE METAL

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

Data Sheet Single Phase Full Wave Direct PWM Motor Driver AM4963/AM4963R Sep. 2011

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